linux-kernel - Re: [PATCH v2 net-next v2 12/12] net: dsa: mv88e6xxx: add addressing mode to info

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Date:	Tue, 14 Jun 2016 23:34:48 +0200
From:	Andrew Lunn <andrew@...n.ch>
To:	Vivien Didelot <vivien.didelot@...oirfairelinux.com>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel@...oirfairelinux.com,
	"David S. Miller" <davem@...emloft.net>,
	Florian Fainelli <f.fainelli@...il.com>
Subject: Re: [PATCH v2 net-next v2 12/12] net: dsa: mv88e6xxx: add addressing
 mode to info

> @@ -3681,7 +3681,7 @@ mv88e6xxx_smi_detect(struct device *dev, struct mii_bus *bus, int sw_addr,
>  	u16 id;
>  
>  	ops = &mv88e6xxx_smi_direct_ops;
> -	if (sw_addr > 0)
> +	if (sw_addr > 0 && info->flags & MV88E6XXX_FLAG_MULTI_CHIP)
>  		ops = &mv88e6xxx_smi_indirect_ops;

Hi Vivien

Is sw_addr is > 0 and MV88E6XXX_FLAG_MULTI_CHIP is not set, you should
return -EINVAL. The device tree is invalid.

       Andrew